Base | Representation |
---|---|
bin | 1011010000110… |
… | …1001101000001 |
3 | 10021220001002200 |
4 | 2310031031001 |
5 | 44043140001 |
6 | 4404303413 |
7 | 1112350644 |
oct | 264151501 |
9 | 107801080 |
10 | 47240001 |
11 | 24736126 |
12 | 139a1b69 |
13 | 9a30083 |
14 | 63b9a5b |
15 | 4232086 |
hex | 2d0d341 |
47240001 has 12 divisors (see below), whose sum is σ = 70437120. Its totient is φ = 30477240.
The previous prime is 47239987. The next prime is 47240027. The reversal of 47240001 is 10004274.
It is a happy number.
It is not a de Polignac number, because 47240001 - 210 = 47238977 is a prime.
It is not an unprimeable number, because it can be changed into a prime (47240071) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84381 + ... + 84938.
It is an arithmetic number, because the mean of its divisors is an integer number (5869760).
Almost surely, 247240001 is an apocalyptic number.
It is an amenable number.
47240001 is a deficient number, since it is larger than the sum of its proper divisors (23197119).
47240001 is a wasteful number, since it uses less digits than its factorization.
47240001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 169356 (or 169353 counting only the distinct ones).
The product of its (nonzero) digits is 224, while the sum is 18.
The square root of 47240001 is about 6873.1361837228. The cubic root of 47240001 is about 361.4958362267.
Adding to 47240001 its reverse (10004274), we get a palindrome (57244275).
The spelling of 47240001 in words is "forty-seven million, two hundred forty thousand, one".
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